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How to keep environment variables when using sudo
...$_EXPORTS; do printf '%q=%q ' "$x" "${!x}"; done;) "$@"
}
# create a test script to call as sudo
echo 'echo Forty-Two is $VAR42' > sudo_test.sh
chmod +x sudo_test.sh
export VAR42="The Answer to the Ultimate Question of Life, The Universe, and Everything."
export _EXPORTS="_EXPORTS VAR1 VAR2 VA...
HTML: How to limit file upload to be only images?
...n still change it from the dropdown and it will show all files. So the Javascript part validates whether or not the selected file is an actual image.
<div class="col-sm-8 img-upload-section">
<input name="image3" type="file" accept="image/*" id="menu_images"/>
<img id="men...
Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?
...(but that "shebang line" does no harm, and will help if you ever copy that script to a platform with a Unix base, such as Linux, Mac, etc).
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Why are my PowerShell scripts not running?
I wrote a simple batch file as a PowerShell script, and I am getting errors when they run.
9 Answers
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Convert a Git folder to a submodule retrospectively?
... proceeding!
The following bash snippets can be concatenated into one big script which should then be executed in the same folder where the repo repo-org lives. It is not recommended to copy and paste everything directly into a command window (even though I have tested this successfully)!
0. Prepa...
File upload progress bar with jQuery
...s-domain support, chunked and resumable file uploads. And they have sample scripts for multiple server languages(node, php, python and go).
Demo url: https://blueimp.github.io/jQuery-File-Upload/.
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How do I detect IE 8 with jQuery?
...forget that you can also use HTML to detect IE8.
<!--[if IE 8]>
<script type="text/javascript">
ie = 8;
</script>
<![endif]-->
Having that before all your scripts will let you just check the "ie" variable or whatever.
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S3 Static Website Hosting Route All Paths to Index.html
I am using S3 to host a javascript app that will use HTML5 pushStates. The problem is if the user bookmarks any of the URLs, it will not resolve to anything. What I need is the ability to take all url requests and serve up the root index.html in my S3 bucket, rather than just doing a full redirect. ...
What is the recommended way to use Vim folding for Python code
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This answer really needs a description.
– sixtyfootersdude
Feb 14 '11 at 19:40
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How to allow to accept only image files?
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Steps:
1. Add accept attribute to input tag
2. Validate with javascript
3. Add server side validation to verify if the content is really an expected file type
For HTML and javascript:
<html>
<body>
<input name="image" type="file" id="fileName" accept=".jpg,.jpeg,.png" onc...